3ltr 300 Bar Carbon Fibre Cylinder
€180.00
The 3ltr Carbon Fibre Air Cylinder is the perfect accessory for air rifles owners, allowing you to fill your air gun with air when convenient to you.
The carbon fibre cylinder offers a substantially lighter weight alternative to heavy steel air tanks, making transporting them much easier, whether you are out hunting or on the range. This 3ltr Carbon Fibre Air Cylinder comes fitted with gun charging valve, and includes a 600mm micro-bore hose and high quality boot.
3ltr 300 Bar Carbon Fibre Cylinder Specifications:
- Neck Thread – M18 x 1.5
- Diameter -105mm
- Height including valve – 565mm
- Weight including valve and hose assembly – 2.8Kg
- Weight when full – 4.0Kg
What is included?
- 3 litre cabon fibre air cylinder – delivered filled with air
- 600mm micro-bore hose
- Boot
*Please note that the product received may vary to the stock image shown*
Our cylinders are supplied full of air for collection from our shop or they are available for our home delivery service. This bottle comes tested and certified for 5 years and are CE marked and are type approved for use in the UK and European Union.
Design Life 15 Years
15 Year Design Life is typical of the vast majority of composite cylinders available for use in the UK/EU. 5 Year cylinder hydro-static test cycle from date of manufacture.
Cylinder Decommission Date:
15 Years from Manufacture Date detailed on the cylinder.
Decommission date refers to the last date that the cylinder can be filled at a commercial fill station. You can safely continue to use the cylinder after this date until the air is depleted, it just cannot be commercially re-filled.
Description
3ltr 300 Bar Carbon Fibre Cylinder – High-Pressure Performance Redefined
Engineered Strength. Optimized Weight. Unmatched Reliability.
Precision engineering meets advanced composite technology in the 3ltr 300 Bar Carbon Fibre Cylinder, a high-pressure air storage solution designed for professionals, enthusiasts, and industries where performance cannot be compromised. Built to deliver exceptional durability while remaining lightweight, this cylinder ensures consistent pressure retention and dependable output in demanding environments.
Unlike traditional steel alternatives, this cylinder leverages carbon fibre reinforcement to maximize strength-to-weight ratio. As a result, users benefit from easier portability, enhanced maneuverability, and reduced fatigue during operation.

Why Choose a 3ltr 300 Bar Carbon Fibre Cylinder?
Reliability is not optional when high-pressure air systems are involved. Safety, efficiency, and longevity are expected standards. That expectation is fully addressed by this advanced cylinder design.
Key Advantages at a Glance
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✅ Ultra-lightweight carbon fibre construction
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✅ Rated to 300 Bar (4500 PSI) working pressure
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✅ Compact 3-litre capacity for portability
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✅ Corrosion-resistant exterior finish
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✅ High safety standards and pressure-tested integrity
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✅ Ideal for PCP air rifles, paintball, diving support, and breathing systems
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✅ Long service life with hydrostatic testing compatibility
Because every application differs, versatility has been prioritized. Whether used in recreational shooting, industrial operations, or emergency air supply systems, dependable performance is consistently delivered.
Advanced Carbon Fibre Technology Explained
Strength without unnecessary mass defines carbon fibre composite cylinders. A high-strength aluminum or alloy liner is fully wrapped in aerospace-grade carbon fibre. Through this multilayer reinforcement process, extreme internal pressures are safely contained.
Structural Composition
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Inner Aluminum Core – Ensures impermeability and internal stability.
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Carbon Fibre Wrap – Provides structural strength and pressure containment.
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Protective Outer Coating – Shields against environmental damage.
Consequently, the 3ltr 300 Bar Carbon Fibre Cylinder weighs significantly less than steel tanks of similar pressure ratings. Therefore, handling becomes easier, transport becomes safer, and operational flexibility increases.
Designed for High-Performance Applications
Versatility expands usability across multiple sectors. Because 300 Bar pressure allows greater air storage in a smaller volume, efficiency improves without increasing cylinder size.
Common Applications
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PCP Air Rifles
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Paintball Systems
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SCBA & Emergency Breathing Apparatus
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Diving Support Systems
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Industrial Pneumatic Tools
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Fire & Rescue Backup Air Supply
Additionally, mobility-focused users particularly appreciate the compact 3-litre design. Rather than carrying heavier steel tanks, operators gain high-pressure performance in a compact format.

Performance Specifications
Technical accuracy ensures informed purchasing decisions. Below are standard performance attributes typically associated with a 3ltr 300 Bar Carbon Fibre Cylinder:
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Capacity: 3 Litres
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Working Pressure: 300 Bar (4500 PSI)
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Test Pressure: 450 Bar (Typical Hydro Test Rating)
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Material: Carbon Fibre Composite with Aluminum Core
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Valve Type: DIN 300 Bar (Optional configurations available)
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Weight: Significantly lighter than steel equivalents
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Service Life: Extended lifespan with periodic hydro testing
Because safety standards matter, cylinders are manufactured in accordance with recognized pressure vessel regulations (varies by region). Certification documentation is generally included or available upon request.
Lightweight Yet Exceptionally Durable
Handling efficiency improves dramatically when weight is reduced. Fatigue decreases during extended sessions. Transportation becomes simpler for field operations. Storage becomes more manageable in compact setups.
Although lighter in mass, structural integrity remains uncompromised. Carbon fibre’s tensile strength exceeds that of many metals. Consequently, users gain both strength and portability in one solution.
Safety Features You Can Trust
Confidence in high-pressure equipment begins with robust safety engineering.
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Multi-layer carbon wrapping for reinforced containment
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Precision-machined valve threading
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Burst disc protection (where applicable)
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Strict quality control pressure testing
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Hydrostatic re-test compatibility
Because safety cannot be overstated, each cylinder undergoes rigorous inspection before distribution. Therefore, operational reliability is maintained from first fill to long-term use.
Enhanced Air Efficiency with 300 Bar Capacity
Higher pressure means greater stored air volume in a compact body. Instead of frequent refills, longer operational cycles are achieved. As a result, downtime is reduced and productivity increases.
For PCP shooters, more consistent shot counts are experienced. For industrial users, sustained airflow improves workflow continuity. For emergency responders, extended breathing time enhances safety margins.
Portability Without Compromise
Compact design improves usability in confined spaces. Mobility increases during outdoor operations. Carrying comfort enhances during extended field sessions.
Because the 3ltr 300 Bar Carbon Fibre Cylinder balances size and output, it remains a preferred choice among users seeking high performance without bulk.

Environmental & Corrosion Resistance
Steel cylinders can corrode internally over time. In contrast, composite carbon fibre cylinders resist environmental degradation more effectively. Moisture impact is reduced. Longevity improves.
Protective outer coatings further shield against abrasion and environmental wear. Therefore, performance consistency remains dependable across climates and conditions.
Inclusive Design for Diverse Users
Every user deserves equipment that performs reliably regardless of experience level or application field. Whether you are a professional technician, a recreational enthusiast, or part of a response team, this cylinder supports your operational needs with equal efficiency.
Clear labeling, standardized fittings, and ergonomic handling design ensure accessibility and ease of use for all operators.
Maintenance & Care Guidelines
Proper care maximizes lifespan.
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Store in cool, dry environments
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Avoid impact or surface damage
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Conduct regular hydrostatic testing as required
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Inspect valves and threads before filling
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Use certified filling stations
Routine maintenance not only protects investment value but also ensures consistent high-pressure safety performance.
Comparing Carbon Fibre vs Steel Cylinders
| Feature | Carbon Fibre Cylinder | Steel Cylinder |
|---|---|---|
| Weight | Lightweight | Heavy |
| Corrosion Resistance | High | Moderate |
| Portability | Excellent | Limited |
| Pressure Capacity | 300 Bar Common | Often 232–300 Bar |
| Longevity | Extended with testing | Durable but heavier |
Although steel remains strong, carbon fibre provides superior portability and performance efficiency.
Who Benefits Most?
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Field technicians requiring lightweight mobility
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Air rifle enthusiasts demanding consistent pressure
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Paintball competitors seeking compact refill systems
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Emergency response teams prioritizing reliability
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Industrial operators needing portable pneumatic power
Because adaptability matters, this cylinder supports a wide spectrum of operational demands.
Frequently Asked Questions – 3ltr 300 Bar Carbon Fibre Cylinder
Clear information supports confident purchasing decisions. Below, common questions about the 3ltr 300 Bar Carbon Fibre Cylinder are addressed in detail to help you determine compatibility, safety, and performance suitability.
1. What is a 3ltr 300 Bar Carbon Fibre Cylinder used for?
The 3ltr 300 Bar Carbon Fibre Cylinder is designed for high-pressure air storage up to 300 Bar (4500 PSI). It is commonly used for:
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PCP air rifles
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Paintball systems
-
SCBA and breathing apparatus
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Emergency air supply
-
Industrial pneumatic tools
-
Diving support applications
Because of its compact 3-litre capacity, portability is enhanced while maintaining substantial air output.
2. How much air does a 3ltr 300 Bar Carbon Fibre Cylinder hold?
At 300 Bar pressure, significantly more compressed air is stored compared to lower-pressure cylinders. Although the physical capacity is 3 litres, the compressed volume allows extended use between refills.
Consequently, more consistent shot counts, longer breathing durations, or extended tool operation times can be achieved depending on the application.
3. Is the 3ltr 300 Bar Carbon Fibre Cylinder safe?
Yes, safety is prioritized through:
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Multi-layer carbon fibre reinforcement
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Aluminum alloy inner liner
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Pressure testing before distribution
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Burst disc protection (where applicable)
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Compliance with recognized pressure vessel standards
Additionally, hydrostatic testing compatibility ensures long-term operational safety.
4. How often should hydrostatic testing be done?
Hydro testing intervals vary by country and regulation. However, testing is typically required every 3 to 5 years.
Because local laws differ, regulations in your region should be verified before use.
5. What is the weight compared to a steel cylinder?
Carbon fibre cylinders are significantly lighter than equivalent steel tanks. Therefore, handling fatigue is reduced and transport becomes easier.
As a result, field users, competitive shooters, and emergency responders often prefer carbon fibre construction.
6. What valve type is included?
Most 3ltr 300 Bar Carbon Fibre Cylinders are fitted with a DIN 300 Bar valve. However, optional configurations may be available depending on supplier specifications.
Compatibility with your fill station should be confirmed prior to purchase.
7. Can this cylinder be used for PCP air rifles?
Absolutely. The 300 Bar rating makes this cylinder ideal for high-performance PCP air rifles.
Because stable high pressure is maintained, improved shot consistency and extended refill capacity are supported.
8. Is the cylinder corrosion-resistant?
Yes. Carbon fibre composite construction offers improved resistance to environmental corrosion compared to steel cylinders.
Furthermore, protective outer coatings add an additional layer of environmental durability.
9. How long does a 3ltr 300 Bar Carbon Fibre Cylinder last?
Service life varies depending on maintenance, storage conditions, and regulatory compliance. However, with proper care and periodic hydro testing, long-term durability is typically achieved.
Routine inspection is recommended to ensure sustained safety performance.
10. How should the cylinder be stored?
For optimal longevity:
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Store in a cool, dry environment
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Avoid direct sunlight exposure
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Prevent impact or surface damage
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Keep valve threads clean
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Ensure cylinder is not fully depleted for extended periods
Proper storage practices extend lifespan and preserve structural integrity.
11. Is it suitable for travel and field use?
Yes. Because of its lightweight carbon fibre construction and compact 3-litre size, portability is enhanced.
Outdoor enthusiasts, field technicians, and mobile operators benefit from easier transportation compared to heavier steel alternatives.
12. Does it come pre-filled?
Policies vary by supplier and shipping regulations. In many cases, cylinders are shipped empty due to transportation safety requirements.
Shipping guidelines should be reviewed prior to purchase.
13. What makes carbon fibre better than steel?
Carbon fibre provides:
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Reduced overall weight
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Improved portability
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Higher strength-to-weight ratio
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Better corrosion resistance
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Enhanced maneuverability
Although steel cylinders remain durable, carbon fibre technology offers superior mobility advantages.
14. Is this product inclusive for both beginners and professionals?
Yes. Clear labeling, standardized fittings, and user-friendly design ensure accessibility for individuals of varying experience levels.
Whether you are entering the sport or operating in a professional environment, performance remains dependable.
15. Why choose a 3ltr 300 Bar Carbon Fibre Cylinder over smaller tanks?
Greater air storage capacity reduces refill frequency. Consequently, operational downtime decreases.
While smaller cylinders may offer portability, the 3-litre 300 Bar configuration provides a balanced combination of compact size and extended performance.





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